Home / 180,785.85-271,181.61-68,435.89

Finding the Fourth Proportional to 180,785.85, 271,181.61 and 68,435.89

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Solution

The fourth proportional to 180,785.85, 271,181.61 and 68,435.89 is: 102,654.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,785.85 : 271,181.61 = 68,435.89 : x
  2. Step 2: Convert to fraction form
    180,785.85/271,181.61 = 68,435.89/x
  3. Step 3: Cross multiply
    180,785.85x = 271,181.61 × 68,435.89
  4. Step 4: Simplify right side
    180,785.85x = 18,558,554,831.98
  5. Step 5: Solve for x
    x = 18,558,554,831.98/180,785.85
  6. Step 6: Final answer
    x = 102,654.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.